Year	days
2004	127.96428571428571
2005	127.96428571428571
2006	127.96428571428571
2007	127.96428571428571
2008	127.25
2009	127.25
2010	97.14285714285714
2011	89.71428571428571
2012	87.33333333333333
2013	79.85823529411766
2014	76.32882352941178
2015	76.32882352941178
2016	76.32882352941178
2017	74.74058823529413
2018	73.68470588235293
2019	72.50823529411764